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\u6ce8\u610f\uff1a\u5982\u679c\u60f3\u8981\u66f4\u9ad8\u7684\u541e\u5410\u91cf\uff0c\u5fc5\u987b\u8ba9\u5b58\u50a8\u8bbe\u5907\u7684\u6027\u80fd\u4e0e\u7f51\u7edc\u80fd\u529b\u76f8\u5339\u914d\u3002\u5373\u4f7f\u7f51\u7edc\u518d\u5feb\uff0c\u6162\u901f\u78c1\u76d8\u4e5f\u4f1a\u6210\u4e3a\u541e\u5410\u74f6\u9888\u3002<\/p><\/blockquote>\n

\u4e0b\u9762\u7684\u8868\u683c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5bf9\u6bd4\u5178\u578b\u7684\u541e\u5410\u91cf\u4e0a\u9650\uff1a<\/p>\n

\n\n\n\n\n<\/colgroup>\n\n\n\n\n

\u5b58\u50a8\u7c7b\u578b<\/th>\n IOPS \u8303\u56f4<\/th>\n \u6f5c\u5728\u541e\u5410\u91cf<\/th>\n<\/tr>\n

HDD<\/td>\n 55\u2013180<\/td>\n \u8f83\u4f4e<\/td>\n<\/tr>\n

SSD<\/td>\n

3,000\u201340,000<\/td>\n

\u8f83\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

IOPS \u4e0e\u541e\u5410\u91cf\u7684\u5173\u7cfb<\/h3>\n
\u4e3a\u4e86\u83b7\u5f97\u6700\u4f73\u670d\u52a1\u5668\u6027\u80fd\uff0c\u4f60\u5fc5\u987b\u5728 IOPS \u4e0e\u541e\u5410\u91cf\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002IOPS \u8861\u91cf\u7684\u662f\u5b58\u50a8\u6bcf\u79d2\u80fd\u5904\u7406\u591a\u5c11\u6b21\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\uff0c\u800c\u541e\u5410\u91cf\u5173\u6ce8\u7684\u662f\u5355\u4f4d\u65f6\u95f4\u5185\u4f20\u8f93\u7684\u6570\u636e\u603b\u91cf\u3002\u8fd9\u4e24\u4e2a\u6307\u6807\u76f8\u8f85\u76f8\u6210\u3002\u5bf9\u4e8e\u5927\u6587\u4ef6\u4f20\u8f93\u6765\u8bf4\uff0c\u987a\u5e8f IOPS \u5f80\u5f80\u80fd\u663e\u8457\u63d0\u9ad8\u541e\u5410\u91cf\uff1b\u5982\u679c\u4f60\u53ea\u5173\u6ce8 IOPS\uff0c\u53ef\u80fd\u4f1a\u5ffd\u7565\u5bf9\u5927\u6570\u636e\u91cf\u4f20\u8f93\u7684\u4f18\u5316\uff1b\u540c\u6837\u5730\uff0c\u5982\u679c\u53ea\u5173\u6ce8\u541e\u5410\u91cf\uff0c\u53c8\u53ef\u80fd\u5ffd\u7565\u5c0f I\/O \u64cd\u4f5c\u5bf9 IOPS \u7684\u9700\u6c42\u3002<\/p>\n
\n
IOPS \u5bf9\u4e8e\u5305\u542b\u5927\u91cf\u5c0f\u578b\u8bfb\u5199\u64cd\u4f5c\u7684\u5e94\u7528\uff08\u5982\u6570\u636e\u5e93\uff09\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n
\u541e\u5410\u91cf\u5219\u5bf9\u5927\u6587\u4ef6\u4f20\u8f93\u573a\u666f\u66f4\u5173\u952e\u3002<\/li>\n
\u66f4\u9ad8\u7684 IOPS \u80fd\u63d0\u5347\u6570\u636e\u5e93\u548c\u5176\u4ed6\u6570\u636e\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n
\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u5219\u6709\u52a9\u4e8e\u9700\u8981\u5904\u7406\u5927\u6587\u4ef6\u7684\u5e94\u7528\u3002<\/li>\n
\u4f60\u9700\u8981\u540c\u65f6\u5e73\u8861\u8fd9\u4e24\u9879\u6307\u6807\uff0c\u907f\u514d\u6574\u4f53\u6027\u80fd\u4e0d\u4f73\u3002<\/li>\n<\/ul>\n
\u4f60\u53ef\u4ee5\u6839\u636e IOPS \u4e0e\u5757\u5927\u5c0f\u6765\u8ba1\u7b97\u541e\u5410\u91cf\u3002\u5728\u4f20\u8f93\u5927\u6587\u4ef6\u65f6\uff0c\u66f4\u9ad8\u7684\u987a\u5e8f IOPS \u4f1a\u5e26\u6765\u66f4\u9ad8\u7684\u541e\u5410\u3002\u5e94\u540c\u65f6\u76d1\u63a7\u8fd9\u4e24\u4e2a\u6307\u6807\uff0c\u4ee5\u786e\u4fdd\u670d\u52a1\u5668\u59cb\u7ec8\u7ef4\u6301\u826f\u597d\u6027\u80fd\u3002<\/p>\n
\u63d0\u793a\uff1a\u52a1\u5fc5\u540c\u65f6\u5173\u6ce8 IOPS \u4e0e\u541e\u5410\u91cf\uff0c\u8fd9\u6709\u52a9\u4e8e\u4f60\u63d0\u524d\u53d1\u73b0\u74f6\u9888\uff0c\u8ba9\u670d\u52a1\u5668\u4fdd\u6301\u987a\u7545\u8fd0\u884c\u3002<\/p><\/blockquote>\n
\u7f8e\u56fd\u670d\u52a1\u5668\u4e2d\u786c\u76d8 I\/O \u7684\u74f6\u9888<\/strong><\/h2>\n
\u5927 I\/O \u4e0e\u5c0f I\/O \u8bf7\u6c42\u7684\u5dee\u5f02<\/h3>\n
\u4f60\u9700\u8981\u4e86\u89e3\u4e0d\u540c\u7c7b\u578b\u7684 I\/O \u8bf7\u6c42\u5982\u4f55\u5f71\u54cd\u670d\u52a1\u5668\u6027\u80fd\u3002\u5927\u6279\u91cf I\/O \u8bf7\u6c42\u901a\u5e38\u6d89\u53ca\u5927\u6587\u4ef6\u4f20\u8f93\u6216\u6570\u636e\u6d41\u5a92\u4f53\uff0c\u8fd9\u7c7b\u8bf7\u6c42\u53d7\u76ca\u4e8e\u987a\u5e8f\u8bbf\u95ee\u6a21\u5f0f\uff0c\u5b58\u50a8\u7cfb\u7edf\u53ef\u4ee5\u8fde\u7eed\u5730\u8bfb\u5199\u5927\u5757\u6570\u636e\uff0c\u4ece\u800c\u964d\u4f4e\u5ef6\u8fdf\u3001\u63d0\u5347\u541e\u5410\uff1b\u5f53\u4f60\u7684\u5b58\u50a8\u7cfb\u7edf\u80fd\u591f\u9ad8\u6548\u5904\u7406\u5927\u8bf7\u6c42\u65f6\uff0c\u4f60\u5c31\u80fd\u83b7\u5f97\u66f4\u7a33\u5b9a\u3001\u66f4\u9ad8\u7684\u5e26\u5bbd\u8868\u73b0\u3002<\/p>\n
\u5c0f I\/O \u8bf7\u6c42\u7684\u60c5\u51b5\u5219\u4e0d\u540c\uff0c\u5b83\u4eec\u5f80\u5f80\u6765\u81ea\u6570\u636e\u5e93\u6216\u9891\u7e41\u8bfb\u5199\u5c0f\u6570\u636e\u5757\u7684\u5e94\u7528\u3002\u6bcf\u4e00\u6b21\u8bf7\u6c42\u90fd\u4f1a\u5e26\u6765\u989d\u5916\u5f00\u9500\uff0c\u5b58\u50a8\u7cfb\u7edf\u5fc5\u987b\u5206\u522b\u5b9a\u4f4d\u5e76\u5904\u7406\u6bcf\u4e00\u5c0f\u5757\u6570\u636e\uff0c\u4ece\u800c\u589e\u52a0\u5ef6\u8fdf\u3001\u964d\u4f4e\u541e\u5410\u3002\u673a\u68b0\u786c\u76d8\u5728\u5904\u7406\u5927\u91cf\u5c0f I\/O \u8bf7\u6c42\u65f6\u7279\u522b\u5403\u529b\uff0c\u56e0\u4e3a\u78c1\u5934\u9700\u8981\u9891\u7e41\u79fb\u52a8\uff0c\u4f60\u4f1a\u660e\u663e\u611f\u89c9\u5230\u5ef6\u8fdf\u548c\u4f20\u8f93\u901f\u7387\u4e0b\u964d\u3002<\/p>\n
\u5bf9\u6bd4\u8fd9\u4e24\u79cd\u573a\u666f\u65f6\uff0c\u5ef6\u8fdf\u7684\u5f71\u54cd\u5c31\u975e\u5e38\u660e\u663e\uff1a\u5927\u8bf7\u6c42\u80fd\u8ba9\u78c1\u76d8\u5728\u8f83\u957f\u65f6\u95f4\u5185\u8fde\u7eed\u5de5\u4f5c\u3001\u51cf\u5c11\u4e2d\u65ad\uff0c\u800c\u5c0f\u8bf7\u6c42\u5219\u8ba9\u78c1\u5934\u4e0d\u65ad\u542f\u505c\u3001\u6d6a\u8d39\u65f6\u95f4\u3002\u5982\u679c\u4f60\u60f3\u83b7\u5f97\u9ad8\u6027\u80fd\uff0c\u5c31\u9700\u8981\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u7cfb\u7edf\u3002\u9762\u5bf9\u6570\u636e\u5bc6\u96c6\u578b\u5e94\u7528\uff0c\u4f60\u5fc5\u987b\u8ba9\u5b58\u50a8\u540c\u65f6\u80fd\u9ad8\u6548\u5904\u7406\u5927 I\/O \u4e0e\u5c0f I\/O\u3002<\/p>\n
\u4f60\u53ef\u80fd\u4f1a\u8ba4\u4e3a\uff0c\u53ea\u8981\u63d0\u5347\u786c\u76d8\u5bb9\u91cf\u5c31\u80fd\u89e3\u51b3\u6027\u80fd\u95ee\u9898\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u8fd9\u79cd\u505a\u6cd5\u5f80\u5f80\u4f1a\u964d\u4f4e I\/O \u5bc6\u5ea6\uff0c\u53cd\u800c\u524a\u5f31\u5b58\u50a8\u7cfb\u7edf\u7684\u6574\u4f53\u6027\u80fd\u3002\u8bf7\u7559\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
\n
\u73b0\u4ee3\u8d1f\u8f7d\u9700\u8981\u5728\u5bb9\u91cf\u548c\u6027\u80fd\u4e4b\u95f4\u505a\u6218\u7565\u6027\u6743\u8861\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u6269\u5bb9\u3002<\/li>\n
\u9ad8\u5bb9\u91cf\u786c\u76d8\u5f80\u5f80\u96be\u4ee5\u6ee1\u8db3\u6570\u636e\u5bc6\u96c6\u578b\u5e94\u7528\u7684\u6027\u80fd\u9700\u6c42\uff0c\u4ece\u800c\u5f71\u54cd\u670d\u52a1\u5668\u6574\u4f53\u8868\u73b0\u3002<\/li>\n
\u5355\u7eaf\u4f9d\u8d56\u201c\u52a0\u5927\u5bb9\u91cf\u201d\u8fd9\u79cd\u4f20\u7edf\u65b9\u5f0f\uff0c\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u6027\u80fd\u63d0\u5347\uff0c\u5fc5\u987b\u5728\u5bb9\u91cf\u4e0e I\/O \u5bc6\u5ea6\u4e4b\u95f4\u5bfb\u6c42\u5e73\u8861\u3002<\/li>\n<\/ul>\n
\u56e0\u6b64\uff0c\u4f60\u5e94\u8be5\u9009\u62e9\u5728\u5bb9\u91cf\u4e0e I\/O \u5bc6\u5ea6\u4e0a\u66f4\u5747\u8861\u7684\u5b58\u50a8\u7cfb\u7edf\u3002\u65b0\u6280\u672f\u5982 HAMR \u65e8\u5728\u63d0\u9ad8\u9762\u5bc6\u5ea6\u5e76\u6539\u5584\u6027\u80fd\uff0c\u4f46\u8981\u771f\u6b63\u53d1\u6325\u9ad8\u5bb9\u91cf\u786c\u76d8\u7684\u4f18\u52bf\uff0c\u4ecd\u9700\u8981\u89e3\u51b3\u4e00\u7cfb\u5217\u6280\u672f\u6311\u6218\u3002<\/p>\n
\u78c1\u76d8\u5199\u5165\u901f\u5ea6\u7684\u5f71\u54cd<\/h3>\n
\u78c1\u76d8\u5199\u5165\u901f\u5ea6\u5bf9\u670d\u52a1\u5668\u80fd\u5426\u652f\u6491\u5927\u5e26\u5bbd\u4f20\u8f93\u6709\u7740\u91cd\u8981\u5f71\u54cd\u3002\u5373\u4f7f\u7f51\u7edc\u901f\u5ea6\u5f88\u5feb\uff0c\u5b58\u50a8\u7cfb\u7edf\u4ecd\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\u3002\u5f53\u7f51\u7edc\u5e26\u5bbd\u8d85\u8fc7\u7cfb\u7edf\u5199\u5165\u6570\u636e\u7684\u80fd\u529b\u65f6\uff0c\u541e\u5410\u91cf\u5c31\u4f1a\u53d7\u9650\u3002\u786c\u76d8 I\/O \u5f80\u5f80\u96be\u4ee5\u5b8c\u5168\u8ddf\u4e0a\u9ad8\u901f\u7f51\u7edc\u8fde\u63a5\uff0c\u4e8c\u8005\u4e0d\u5339\u914d\u65f6\u5c31\u4f1a\u5bfc\u81f4\u5ef6\u8fdf\u589e\u52a0\u548c\u6574\u4f53\u6027\u80fd\u4e0b\u6ed1\u3002<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5927\u591a\u6570\u5b58\u50a8\u4ecb\u8d28\u7684\u5199\u5165\u6027\u80fd\u901a\u5e38\u4f4e\u4e8e\u8bfb\u53d6\u6027\u80fd\uff0c\u5728\u9ad8\u5f3a\u5ea6\u5199\u5165\u8d1f\u8f7d\u4e0b\uff0c\u8fd9\u79cd\u5dee\u5f02\u4f1a\u653e\u5927\u5ef6\u8fdf\u95ee\u9898\u3002\u7cfb\u7edf\u5c42\u9762\u7684 TCP\/IP \u534f\u8bae\u6808\u5904\u7406\u548c\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u4e5f\u4f1a\u5360\u7528 CPU \u8d44\u6e90\uff0c\u8fd9\u4e9b\u5f00\u9500\u4f1a\u8fdb\u4e00\u6b65\u6324\u5360\u7528\u4e8e\u5b58\u50a8 I\/O \u7684\u5904\u7406\u80fd\u529b\uff0c\u4ece\u800c\u9650\u5236\u541e\u5410\u3002<\/p>\n
\u5982\u679c\u4f60\u4f7f\u7528\u4e86\u5728\u5199\u5165\u65f6\u9700\u8981\u6821\u9a8c\u7684 RAID \u914d\u7f6e\uff0c\u90a3\u4e48\u5199\u5165\u6027\u80fd\u53ef\u80fd\u8fdb\u4e00\u6b65\u4e0b\u964d\u3002\u5bf9\u4e8e\u5199\u5165\u8d1f\u8f7d\u8f83\u91cd\u7684\u5e94\u7528\uff0c\u8fd9\u4e9b\u989d\u5916\u6821\u9a8c\u6b65\u9aa4\u4f1a\u5e26\u6765\u66f4\u9ad8\u5ef6\u8fdf\u3001\u964d\u4f4e\u6301\u7eed\u5e26\u5bbd\u3002<\/p>\n
\u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u6574\u4f53\u8868\u73b0\uff0c\u4f60\u9700\u8981\u540c\u65f6\u9488\u5bf9\u8bfb\u5199\u64cd\u4f5c\u4f18\u5316\u5b58\u50a8\u7cfb\u7edf\u3002\u5b9a\u671f\u76d1\u63a7\u78c1\u76d8\u5199\u5165\u901f\u5ea6\u5e76\u8bbe\u6cd5\u964d\u4f4e\u5ef6\u8fdf\uff0c\u9009\u62e9\u9002\u5408\u5de5\u4f5c\u8d1f\u8f7d\u7684\u786c\u4ef6\u548c\u914d\u7f6e\uff0c\u8fd9\u4e9b\u63aa\u65bd\u90fd\u80fd\u6709\u6548\u907f\u514d\u74f6\u9888\uff0c\u652f\u6491\u9ad8\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n
\u5b58\u50a8\u6027\u80fd\uff1aHDD \u4e0e SSD<\/strong><\/h2>\n
SSD \u4e0e\u9ad8\u5e26\u5bbd\u4f20\u8f93<\/h3>\n
\u4f60\u9700\u8981\u4e86\u89e3\uff0c\u5f53\u628a HDD \u6362\u6210 SSD \u65f6\uff0c\u5b58\u50a8\u6027\u80fd\u4f1a\u53d1\u751f\u600e\u6837\u7684\u53d8\u5316\u3002SSD \u5177\u6709\u66f4\u5feb\u7684\u8bfb\u5199\u901f\u5ea6\uff0c\u5176\u4f18\u52bf\u53ef\u4ee5\u901a\u8fc7\u4e0b\u8868\u76f4\u89c2\u4f53\u73b0\uff1a<\/p>\n
\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n
\u5b58\u50a8\u7c7b\u578b<\/th>\n \u8bfb\/\u5199\u901f\u5ea6\uff08MB\/s\uff09<\/th>\n \u8bbf\u95ee\u65f6\u95f4<\/th>\n \u5ef6\u8fdf<\/th>\n<\/tr>\n
SSD<\/td>\n 200 MB\/s \u81f3 2500 MB\/s<\/td>\n \u66f4\u5feb<\/td>\n \u66f4\u4f4e<\/td>\n<\/tr>\n
HDD<\/td>\n \u6700\u9ad8\u7ea6 200 MB\/s<\/td>\n \u66f4\u6162<\/td>\n \u66f4\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u7531\u4e8e SSD \u62e5\u6709\u66f4\u4f4e\u7684\u5ef6\u8fdf\u548c\u66f4\u5feb\u7684\u8bbf\u95ee\u65f6\u95f4\uff0c\u4f60\u53ef\u4ee5\u83b7\u5f97\u66f4\u51fa\u8272\u7684\u5b58\u50a8\u6027\u80fd\uff0c\u8fd9\u4f7f\u670d\u52a1\u5668\u80fd\u591f\u5728\u5927\u5e26\u5bbd\u4f20\u8f93\u573a\u666f\u4e0b\u66f4\u5e73\u7a33\u5730\u5de5\u4f5c\u3002\u5f53\u4f7f\u7528 SSD \u65f6\uff0c\u4f60\u4f1a\u53d1\u73b0\u5e94\u7528\u52a0\u8f7d\u66f4\u5feb\u3001\u6587\u4ef6\u4f20\u8f93\u66f4\u8fc5\u901f\uff1b\u800c HDD \u5f80\u5f80\u56e0\u4e3a\u5b58\u50a8\u6027\u80fd\u8ddf\u4e0d\u4e0a\u9ad8\u901f\u7f51\u7edc\u800c\u62d6\u6162\u6574\u4f53\u8868\u73b0\u3002\u5982\u679c\u60f3\u6700\u5927\u5316\u5b58\u50a8\u6027\u80fd\uff0c\u5bf9\u4e8e\u6570\u636e\u5bc6\u96c6\u578b\u5de5\u4f5c\u8d1f\u8f7d\uff0c\u5e94\u4f18\u5148\u9009\u62e9 SSD\u3002<\/p>\n
\u73b0\u4ee3\u5b58\u50a8\u89e3\u51b3\u65b9\u6848<\/h3>\n
\u5982\u4eca\uff0c\u4f60\u6709\u66f4\u591a\u65b9\u5f0f\u6765\u63d0\u5347\u670d\u52a1\u5668\u73af\u5883\u4e2d\u7684\u5b58\u50a8\u6027\u80fd\u3002\u73b0\u4ee3\u5b58\u50a8\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u9ad8\u6548\u5730\u5229\u7528\u5e26\u5bbd\u3001\u51cf\u5c11\u5ef6\u8fdf\u3002\u4ee5\u4e0b\u662f\u51e0\u9879\u5173\u952e\u8fdb\u5c55\uff1a<\/p>\n
\n
\u8fb9\u7f18\u8ba1\u7b97\u4e0e\u8fb9\u7f18\u5b58\u50a8\u5c06\u6570\u636e\u5904\u7406\u66f4\u9760\u8fd1\u6570\u636e\u6e90\uff0c\u4ece\u800c\u964d\u4f4e\u5ef6\u8fdf\u5e76\u63d0\u5347\u5b58\u50a8\u6027\u80fd\u3002<\/li>\n
\u6301\u4e45\u6027\u5185\u5b58\u4e0e\u5b58\u50a8\u7ea7\u5185\u5b58\u63d0\u4f9b\u4ecb\u4e8e\u4f20\u7edf\u5b58\u50a8\u4e0e\u5185\u5b58\u4e4b\u95f4\u7684\u901f\u5ea6\uff0c\u4e3a\u9ad8\u8981\u6c42\u4efb\u52a1\u5e26\u6765\u5353\u8d8a\u6027\u80fd\u3002<\/li>\n
\u8f6f\u4ef6\u5b9a\u4e49\u5b58\u50a8\uff08SDS\uff09\u5e26\u6765\u66f4\u7075\u6d3b\u7684\u8d44\u6e90\u7ba1\u7406\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6309\u9700\u6269\u5c55\u6216\u7f29\u51cf\uff0c\u5e76\u968f\u4e1a\u52a1\u53d8\u5316\u4f18\u5316\u5b58\u50a8\u6027\u80fd\u3002<\/li>\n<\/ul>\n
\u4f60\u8fd8\u53ef\u4ee5\u5bf9\u6bd4\u4e0d\u540c\u7c7b\u578b\u786c\u76d8\u7684\u6027\u80fd\uff1a<\/p>\n
\n
HDD \u7684\u5178\u578b\u901f\u5ea6\u7ea6\u4e3a 80\u2013160 MB\/s\u3002<\/li>\n
SATA SSD \u7684\u901f\u5ea6\u53ef\u8fbe\u7ea6 500 MB\/s\u3002<\/li>\n
NVMe SSD \u7684\u901f\u5ea6\u5219\u53ef\u8d85\u8fc7 7000 MB\/s\uff0c\u5728\u7cfb\u7edf\u542f\u52a8\u3001\u5e94\u7528\u52a0\u8f7d\u548c\u5927\u6587\u4ef6\u4f20\u8f93\u65b9\u9762\u8868\u73b0\u6700\u4e3a\u51fa\u8272\u3002<\/li>\n<\/ul>\n
\u5728\u9009\u62e9\u5b58\u50a8\u65b9\u6848\u65f6\uff0c\u52a1\u5fc5\u8ba9\u5b58\u50a8\u6027\u80fd\u4e0e\u7f51\u7edc\u901f\u5ea6\u76f8\u5339\u914d\uff0c\u8fd9\u6837\u624d\u80fd\u53d1\u6325\u5e26\u5bbd\u7684\u6700\u5927\u6548\u7528\u3002\u5347\u7ea7\u5230\u66f4\u5148\u8fdb\u7684\u5b58\u50a8\u6280\u672f\uff0c\u53ef\u4ee5\u5145\u5206\u91ca\u653e\u670d\u52a1\u5668\u7684\u6f5c\u5728\u6027\u80fd\u3002<\/p>\n
\u4e3a\u5927\u5e26\u5bbd\u4f18\u5316\u670d\u52a1\u5668\u6027\u80fd<\/strong><\/h2>\n
\u786c\u4ef6\u5347\u7ea7<\/h3>\n
\u901a\u8fc7\u5408\u7406\u7684\u786c\u4ef6\u5347\u7ea7\uff0c\u4f60\u53ef\u4ee5\u6709\u6548\u7f13\u89e3\u786c\u76d8 I\/O \u74f6\u9888\u3002\u9996\u8981\u6b65\u9aa4\u662f\u66f4\u6362\u4e3a SSD\uff0cSSD \u63d0\u4f9b\u8fdc\u9ad8\u4e8e\u4f20\u7edf\u673a\u68b0\u786c\u76d8\u7684\u8bfb\u5199\u901f\u5ea6\uff0c\u4ece\u800c\u663e\u8457\u6539\u5584\u6570\u636e\u8bbf\u95ee\u6548\u7387\u548c\u6574\u4f53\u7cfb\u7edf\u6027\u80fd\u3002\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6761\u5e26\u5377\uff08stripe sets\uff09\uff0c\u5c06 I\/O \u8bf7\u6c42\u5206\u6563\u5230\u591a\u5757\u78c1\u76d8\u4e0a\u5e76\u884c\u5904\u7406\uff0c\u4ee5\u540c\u65f6\u63d0\u5347\u6027\u80fd\u548c\u5bb9\u91cf\u3002\u5982\u679c\u60f3\u8fdb\u4e00\u6b65\u5e73\u8861\u8d1f\u8f7d\uff0c\u53ef\u4ee5\u5c1d\u8bd5 Windows \u7fa4\u96c6\uff08Clustering\uff09\u6216\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\uff08DFS\uff09\uff0c\u5229\u7528\u591a\u5757\u78c1\u76d8\u548c\u591a\u53f0\u670d\u52a1\u5668\u5206\u62c5\u6570\u636e\u538b\u529b\u3002<\/p>\n
\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u5b9e\u7528\u5efa\u8bae\uff1a<\/p>\n
\n
\u5bf9\u78c1\u76d8\u8fdb\u884c\u788e\u7247\u6574\u7406\uff0c\u4f7f\u6570\u636e\u5e03\u5c40\u66f4\u6709\u5e8f\uff0c\u51cf\u5c11\u5bfb\u9053\u65f6\u95f4\u3002<\/li>\n
\u9664\u975e\u5fc5\u8981\uff0c\u5c3d\u91cf\u51cf\u5c11\u6587\u4ef6\u538b\u7f29\u4e0e\u52a0\u5bc6\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u64cd\u4f5c\u4f1a\u589e\u52a0 I\/O \u5f00\u9500\u3002<\/li>\n
\u5728 NTFS \u5206\u533a\u4e0a\u5173\u95ed\u77ed\u6587\u4ef6\u540d\u751f\u6210\u548c\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\u66f4\u65b0\uff0c\u4ee5\u51cf\u5c11\u989d\u5916\u5199\u5165\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n
\u5728\u89c4\u5212\u5347\u7ea7\u65f6\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u6210\u672c\u4e0e\u6536\u76ca\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u8981\u6982\u89c8\uff1a<\/p>\n
\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\u6210\u672c\u7c7b\u578b<\/th>\n \u8bf4\u660e<\/th>\n<\/tr>\n
\u76f4\u63a5\u91c7\u8d2d\u6210\u672c<\/td>\n \u5347\u7ea7\u6240\u9700\u7684\u786c\u4ef6\u3001\u8f6f\u4ef6\u53ca\u670d\u52a1\u8d39\u7528\u3002<\/td>\n<\/tr>\n
\u4eba\u5de5\u4e0e\u8fc7\u6e21\u6210\u672c<\/td>\n \u89c4\u5212\u3001\u6d4b\u8bd5\u4e0e\u57f9\u8bad\u6240\u6d88\u8017\u7684\u65f6\u95f4\u4e0e\u4eba\u529b\u3002<\/td>\n<\/tr>\n
\u9690\u85cf\u4e0e\u6301\u7eed\u6210\u672c<\/td>\n \u505c\u673a\u65f6\u95f4\u3001\u96c6\u6210\u95ee\u9898\u4ee5\u53ca\u540e\u7eed\u7ef4\u62a4\u8d39\u7528\u3002<\/td>\n<\/tr>\n
\u751f\u4ea7\u529b\u6536\u76ca<\/td>\n \u66f4\u5feb\u7684\u8bbe\u5907\u4e0e\u66f4\u4f73\u7684\u7f51\u7edc\u6027\u80fd\u53ef\u4ee5\u8282\u7701\u65f6\u95f4\u3002<\/td>\n<\/tr>\n
\u505c\u673a\u4e0e\u7ef4\u62a4\u8282\u7701<\/td>\n \u65b0\u670d\u52a1\u5668\u53ef\u4ee5\u51cf\u5c11\u670d\u52a1\u4e2d\u65ad\u4e0e\u7d27\u6025\u7ef4\u4fee\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u7f13\u5b58\u4e0e RAID \u65b9\u6848<\/h3>\n
\u501f\u52a9\u7f13\u5b58\u548c RAID\uff0c\u4f60\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u5b58\u50a8\u6027\u80fd\u3002\u50cf Redis\u3001Memcached \u8fd9\u6837\u7684\u7f13\u5b58\u65b9\u6848\u4f1a\u628a\u5e38\u7528\u6570\u636e\u653e\u5230\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u540e\u7aef\u670d\u52a1\u5668\u538b\u529b\u5e76\u52a0\u5feb\u8bbf\u95ee\u901f\u5ea6\u3002SSD \u7f13\u5b58\u5219\u5229\u7528\u95ea\u5b58\u5b58\u50a8\u70ed\u6570\u636e\uff0c\u4f7f\u7cfb\u7edf\u6574\u4f53\u54cd\u5e94\u66f4\u8fc5\u901f\u3002RAID \u914d\u7f6e\uff08\u5982 RAID 0\u3001RAID 1\u3001RAID 5 \u7b49\uff09\u65e2\u80fd\u63d0\u4f9b\u5197\u4f59\uff0c\u53c8\u80fd\u63d0\u5347 I\/O \u6027\u80fd\u3002RAID \u63a7\u5236\u5668\u7684\u5199\u7f13\u5b58\u955c\u50cf\uff08write cache mirroring\uff09\u901a\u8fc7\u628a\u5199\u5165\u64cd\u4f5c\u590d\u5236\u5230\u53e6\u4e00\u5757\u7f13\u5b58\u4e2d\u6765\u4fdd\u62a4\u6570\u636e\u5b89\u5168\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u8d1f\u8f7d\u8c03\u4f18 RAID \u63a7\u5236\u5668\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u6548\u679c\u3002<\/p>\n
\u4e3a\u4e86\u4fdd\u6301\u7cfb\u7edf\u5e73\u7a33\u8fd0\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u76d1\u63a7\u5de5\u5177\uff1a<\/p>\n
\n
iostat\uff1a\u663e\u793a\u78c1\u76d8 I\/O \u7edf\u8ba1\u4fe1\u606f\u3002<\/li>\n
vmstat\uff1a\u63d0\u4f9b\u5185\u5b58\u4e0e I\/O \u7684\u7efc\u5408\u7edf\u8ba1\u3002<\/li>\n
iotop\uff1a\u627e\u51fa\u5360\u7528 I\/O \u8d44\u6e90\u6700\u591a\u7684\u8fdb\u7a0b\u3002<\/li>\n
df\uff1a\u67e5\u770b\u78c1\u76d8\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<\/ul>\n
\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\u53ef\u4ee5\u6700\u5927\u5316\u541e\u5410\u91cf\uff1a<\/p>\n
\n
\u5bf9\u5de5\u4f5c\u8d1f\u8f7d\u8fdb\u884c\u5206\u7c7b\uff0c\u5e76\u4e3a\u4e0d\u540c\u7c7b\u578b\u8d1f\u8f7d\u5339\u914d\u5408\u9002\u7684\u5b58\u50a8\u7b56\u7565\u3002<\/li>\n
\u660e\u786e\u81ea\u8eab IOPS \u9700\u6c42\uff0c\u4ece\u6e90\u5934\u907f\u514d\u74f6\u9888\u3002<\/li>\n
\u5bf9\u6bd4\u4e0d\u540c\u5b58\u50a8\u6280\u672f\uff0c\u9009\u62e9\u6700\u9002\u5408\u4e1a\u52a1\u573a\u666f\u7684\u65b9\u6848\u3002<\/li>\n
\u6839\u636e\u8d1f\u8f7d\u7279\u70b9\u5b9e\u65bd\u5206\u5c42\u5b58\u50a8\uff08tiered storage\uff09\u3002<\/li>\n
\u7ecf\u5e38\u76d1\u63a7\u6027\u80fd\u6307\u6807\uff0c\u5c3d\u65e9\u53d1\u73b0\u5e76\u89e3\u51b3\u95ee\u9898\u3002<\/li>\n<\/ol>\n
\u63d0\u793a\uff1a\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u5347\u7ea7 CPU \u4e0e\u5185\u5b58\u3001\u4f7f\u7528\u865a\u62df\u5316\u6280\u672f\u5e76\u81ea\u52a8\u5316\u6027\u80fd\u7ba1\u7406\uff0c\u8fd8\u80fd\u8fdb\u4e00\u6b65\u63d0\u5347\u6574\u4f53\u8868\u73b0\u3002<\/p><\/blockquote>\n
\n
<\/div>\n<\/div>\n
\u901a\u8fc7\u4e0a\u6587\uff0c\u4f60\u5df2\u7ecf\u4e86\u89e3\u5230\u786c\u76d8 I\/O \u7684\u786e\u4f1a\u9650\u5236\u7f8e\u56fd\u670d\u52a1\u5668\u4e2d\u7684\u5927\u5e26\u5bbd\u4f20\u8f93\u3002\u5b58\u50a8 I\/O \u5e38\u5e38\u5728\u9ad8\u8d1f\u8f7d\u573a\u666f\u4e0b\uff0c\u5c24\u5176\u662f\u5199\u5165\u64cd\u4f5c\u4e2d\uff0c\u6210\u4e3a\u74f6\u9888\u3002\u4e3a\u907f\u514d\u8fd9\u4e00\u95ee\u9898\uff0c\u4f60\u9700\u8981\u8ba9\u5b58\u50a8\u6027\u80fd\u4e0e\u7f51\u7edc\u80fd\u529b\u76f8\u5339\u914d\uff1a\u5347\u7ea7\u5230 SSD \u6216\u4f7f\u7528\u7f13\u5b58\u6765\u52a0\u5feb\u6570\u636e\u8bbf\u95ee\uff0c\u5b9a\u671f\u4f7f\u7528 iPerf3 \u548c GPUDirect Storage \u7b49\u5de5\u5177\u76d1\u63a7\u7cfb\u7edf\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u8981\u8003\u8651\u5de5\u4f5c\u8d1f\u8f7d\u7c7b\u578b\u3001\u5ef6\u8fdf\u4ee5\u53ca\u672a\u6765\u6269\u5c55\u9700\u6c42\uff0c\u907f\u514d\u53ea\u5173\u6ce8\u5cf0\u503c\u5229\u7528\u7387\u6216\u5ffd\u89c6 I\/O \u7b49\u5f85\u7b49\u5e38\u89c1\u8bef\u533a\u3002\u5168\u9762\u8bc4\u4f30\u670d\u52a1\u5668\u67b6\u6784\uff0c\u624d\u80fd\u786e\u4fdd\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/p>\n
\n\n\n\n<\/colgroup>\n\n\n\n\n
\u5de5\u5177<\/th>\n \u7528\u9014<\/th>\n<\/tr>\n
iPerf3<\/td>\n \u5e26\u5bbd\u6d4b\u8bd5<\/td>\n<\/tr>\n
GPUDirect Storage<\/td>\n \u5b9e\u65f6\u5e26\u5bbd\u76d1\u63a7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u63d0\u793a\uff1a\u5728\u89c4\u5212\u7cfb\u7edf\u67b6\u6784\u65f6\uff0c\u8981\u63d0\u524d\u4e3a\u672a\u6765\u7684\u6570\u636e\u589e\u957f\u9884\u7559\u5b58\u50a8\u4e0e\u5e26\u5bbd\u7a7a\u95f4\u3002<\/p><\/blockquote>\n
\u5e38\u89c1\u95ee\u9898 FAQ<\/strong><\/h2>\n
\u7f8e\u56fd\u670d\u52a1\u5668\u5e26\u5bbd\u74f6\u9888\u7684\u4e3b\u8981\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/h3>\n
\u5f53\u5b58\u50a8\u7cfb\u7edf\u7684\u5904\u7406\u901f\u5ea6\u8ddf\u4e0d\u4e0a\u7f51\u7edc\u901f\u5ea6\u65f6\uff0c\u4f60\u5f80\u5f80\u4f1a\u9047\u5230\u5e26\u5bbd\u74f6\u9888\u3002\u5373\u4f7f\u7f51\u7edc\u8fde\u63a5\u5f88\u5feb\uff0c\u7f13\u6162\u6216\u8fc7\u8f7d\u7684\u786c\u76d8\u4e5f\u4f1a\u9650\u5236\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n
\u5982\u4f55\u68c0\u67e5\u78c1\u76d8 I\/O \u662f\u5426\u5728\u62d6\u6162\u670d\u52a1\u5668\uff1f<\/h3>\n
\u4f60\u53ef\u4ee5\u4f7f\u7528 `iostat<\/code>\u3001vmstat<\/code> \u6216 iotop<\/code> \u7b49\u5de5\u5177\u76d1\u63a7\u78c1\u76d8\u6d3b\u52a8\u3002\u5982\u679c\u53d1\u73b0\u8f83\u9ad8\u7684 I\/O \u7b49\u5f85\u65f6\u95f4\u6216\u8fc7\u957f\u7684\u961f\u5217\uff0c\u5c31\u8bf4\u660e\u5b58\u50a8\u7cfb\u7edf\u5f88\u53ef\u80fd\u662f\u6027\u80fd\u74f6\u9888\u6240\u5728\u3002<\/p>\n`
SSD \u80fd\u5426\u5b8c\u5168\u89e3\u51b3\u5e26\u5bbd\u95ee\u9898\uff1f<\/h3>\nSSD \u5bf9\u6027\u80fd\u63d0\u5347\u5e2e\u52a9\u5f88\u5927\uff0c\u56e0\u4e3a\u5b83\u4eec\u7684\u8bfb\u5199\u901f\u5ea6\u8fdc\u9ad8\u4e8e HDD\u3002\u4f46\u4f60\u4ecd\u7136\u9700\u8981\u6839\u636e\u5b9e\u9645\u5de5\u4f5c\u8d1f\u8f7d\u548c\u7f51\u7edc\u80fd\u529b\u6765\u5339\u914d SSD \u7684\u901f\u5ea6\uff0c\u53ea\u6709\u6574\u4f53\u67b6\u6784\u534f\u8c03\uff0c\u624d\u80fd\u83b7\u5f97\u6700\u4f73\u6548\u679c\u3002<\/p>\n RAID \u80fd\u5426\u6539\u5584\u5927\u5e26\u5bbd\u573a\u666f\u4e0b\u7684\u78c1\u76d8 I\/O\uff1f<\/h3>\nRAID \u65e2\u80fd\u63d0\u5347\u6027\u80fd\uff0c\u53c8\u80fd\u589e\u5f3a\u5197\u4f59\u3002\u4f8b\u5982\uff0cRAID 0 \u901a\u8fc7\u6570\u636e\u6761\u5e26\u5316\u6765\u63d0\u9ad8\u901f\u5ea6\uff0c\u800c RAID 5 \u6216 RAID 10 \u5219\u5728\u901f\u5ea6\u548c\u6570\u636e\u5b89\u5168\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002\u5e94\u6839\u636e\u81ea\u8eab\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684 RAID \u7ea7\u522b\u3002<\/p>\n \u4f18\u5316\u9ad8\u5e26\u5bbd\u670d\u52a1\u5668\u6027\u80fd\u7684\u6700\u4f73\u505a\u6cd5\u662f\u4ec0\u4e48\uff1f<\/h3>\n\u4f60\u5e94\u8be5\u5347\u7ea7\u5230 SSD\uff0c\u5408\u7406\u4f7f\u7528\u7f13\u5b58\uff0c\u5e76\u5b9a\u671f\u76d1\u63a7\u7cfb\u7edf\u8868\u73b0\u3002\u540c\u65f6\u8ba9\u5b58\u50a8\u80fd\u529b\u4e0e\u7f51\u7edc\u5e26\u5bbd\u4fdd\u6301\u4e00\u81f4\uff0c\u9009\u62e9\u5408\u9002\u7684 RAID \u67b6\u6784\uff0c\u5e76\u6301\u7eed\u66f4\u65b0\u786c\u4ef6\uff0c\u8fd9\u4e9b\u90fd\u80fd\u5e2e\u52a9\u4f60\u5728\u9ad8\u5e26\u5bbd\u573a\u666f\u4e0b\u83b7\u5f97\u66f4\u4f73\u670d\u52a1\u5668\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u4f60\u53ef\u80fd\u4f1a\u7591\u60d1\uff0chard disk i\/o \u662f\u5426\u4f1a\u62d6\u6162\u7f8e\u56fd\u670d\u52a1\u5668\u4e0a\u7684\u5927\u5e26\u5bbd\u4f20\u8f93\u3002\u7b54\u6848\u662f\u4f1a\u7684\u3002\u5f53\u4f60\u5728\u7f51\u7edc\u4e2d\u9ad8\u901f\u4f20\u8f93\u6570\u636e\u65f6\uff0c\u78c1\u76d8\u7684\u901f\u5ea6\u540c\u6837\u5f88\u5173\u952e\u3002\u8f83\u6162\u7684\u78c1\u76d8\u4f1a\u9650\u5236\u7f51\u7edc\u6027\u80fd\u3002\u4f60\u9700\u8981\u8db3\u591f\u5f3a\u52b2\u7684\u5b58\u50a8\u6027\u80fd\u6765\u5339\u914d\u9ad8\u901f\u7f51\u7edc\u8fde\u63a5\u3002\u5982\u679c\u4f60\u60f3\u83b7\u5f97\u6700\u4f73\u6548\u679c\uff0c\u5c31\u5fc5\u987b\u540c\u65f6\u91cd\u89c6\u78c1\u76d8\u548c\u7f51\u7edc\u4e24\u7aef\u7684\u8868\u73b0\u3002 \u8981\u70b9\u6982\u89c8 \u786c\u76d8 I\/O \u4f1a\u9650\u5236\u7f51\u7edc\u6027\u80fd\uff0c\u5373\u4f7f\u7f51\u7edc\u5e26\u5bbd\u5f88\u9ad8\uff0c\u6162\u901f\u78c1\u76d8\u4e5f\u4f1a\u6210\u4e3a\u6570\u636e\u4f20\u8f93\u7684\u74f6\u9888\u3002 \u5347\u7ea7\u5230 SSD 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